未验证
最后验证日期: 尚无可公开的验证日期
方法论Bundesministerium für Bildung, Familie, Senioren, Frauen und Jugend
www.bmfsfj.deOfficial website of the Federal Ministry of Education, Family Affairs, Senior Citizens, Women and Youth
- 位置
- 德国
所属分类
最后验证日期: 尚无可公开的验证日期
方法论Official website of the Federal Ministry of Education, Family Affairs, Senior Citizens, Women and Youth
所属分类